Brake control.



BRAKE CONTROL. APPLmATloN HLED MAR.24,195.

1 ,1 99,323 Patented Sept. 26,- 1916.

/ff/ ////1 f orado, have invented certain 45 that when the brake 50 1 and 2 ROLLAND S. TROTT, OF DENVER, COLORADO.

BRAKE CONTROL.

Specification of Letters Patent.

Patented sept. 26, 1916.

Applicatioirled March 24, 1915. Serial No. 16,669.

To all lwhom it may concern x Bc it known that I, ROLLAND S. Tiio'r'r, a citizen of the United States, residing in the city and county of Denver and State of Colful Improvements in Brake Controls, of which'tlie following is a specification.

1-y invention relates to an improvement in brake controls, the object being to provide means to operate the hub brakes on a car provided with a spring suspension that allows horizontal movement of the axle 0r axles; and to provide a brake control that will be entirely unaffected by the horizontal l5 axle movements.

he advantages of it leaves the brakes axl This invention consists of a link pivoted travels horizontally with the frame, and the other end of the link horizontally with the axle7 and the member, attached to the axle may be either a load spring or a rod, and on which member mounted a bell crank comprising an ordina f lever arm and a segto the pedal or handbrake`l'ever, and a flexible device, such as a flat steel, a woven steel cable, or a chain extends from one segment to the other, so pedal is pushed the brake is applied, and the brake is unaffected by the relative movements of the frame and axle.

In the accompanying drawings Figures are side elevations of tWo forms that this invention might take.

A, represents the frame, and 1 isl iii( axle,

new and useextends from one and various and 2 is the brake hub with the usual brakeband 3 surrounding it.

In the form shown in Fig. 1, the load spring 4 is connected to th spectively on th These bell crank 14 formed inthe arc of a circle, of flat steel, Woven steel cable, or chain 15 shown in the drawings, two segments. A rod 17 extends from the bell crank lever 10 to the brake and` a rod 19 extends from the bell crank lever 1l to the brake-band lever.

In the form shown in Fig. 2, the lever 1l an All are connected by the flat steelvband l5', the lever l0 being pivoted to a bracket 20 depending from the frame A. A rod 17 segment to the other asv thus connecting the pedal 18,

'is supported upon and pivoted to the load spring 4 and the segments ofthe levers 10" extends to the brake pedal l8 and the rod 19 to the brake band 3. When the brake pedal is pushed, the bell crank lever 10 or 10.

the flexible connection l5 the segments 14, or 14', the other bell crank lever 11 or l1 is rocked, exerting a pull upon the rear axle brake. When the axle moves horizontally astmuch of the/band,

cable or chain is unwrapped from one arc'- as is Wrapped upon the other by the swinging of the links 6 or 6. about the frame pivot, and thus no movement ,is impaitedto the vbrake control by the horizontal axle At 12 there might be a shaft or at 13 there may be a shaft With two levers and one arc; f

other constructions may be used that are included in the scope of this inf vention, so I do not wish to confine myself to the exact details shown.

claim 1. A brake control comprisinga. frame,

axle, and brake mechanism connected With' the axle, and means supported partly by the axle and partly by the frame flexibly connected together and controlled and operated v axle member,

by the brake-lever andl connected withthe brake mechanism.

2. A brake control comprising two levers flexibly connected together, one carried by the frame and the other by the axle of a vehicle, one connected with the brake mechanism and the other with the brake lever, whereby the action of the brake will be unaffected by the Arelative movement of the frame and axle with respect to each other.

3. In a brake control, the combination with a frame, axle and brake mechanism, of levers pivotally supported by the frame and axle and flexibly connected together, one lever connected. with the brake andthe other lever connected with the brake operating lever.

4. A brake control comprising two levers each having a segment in the arc of a circle,

flexible means connecting said segments, one of said levers supported by the frame and the other by the axle of a vehicle, a brake mechanism, a brake lever, and means extending rom one of said levers to the brake mechanism, and the other to the brake lever.

5. An axle, Ia brake lever carried bfy the axle, a frame, a. link pivoted-on the rame and to an axle member, two arm and arc bell-cranks pivoted respectively on the frame and the axle member with arc faces approximately tangent to the center line of the link, an operating lever mounted on the frame, and. means connecting the operating lever and the brake lever through the bell cranks.

6. A brake control comprising an axle, an a brake lever carried by the axle, a link pivoted to the frame ,and to the axle member, an operating lever, means con- Lmonecting the operating lever and brake lever, whereby horizontal movement of the axle will not afectthe pull on the brake lever.

7. In a brake control, the combination with an axle, a brake, a frame, and load springs connected with the axle, of two levers, one carried by the frame and the other b the axle, a link pivotally connected to the rame and to the axle, a flexible connection extending from one lever to the other,and means connecting one lever to the brake and the other lever to the brake operating means.

'l 8. A brake control comprising two segments connected togetherflexibly, one carried by the frame and the other by the axle i of a. vehicle, one connectedwith the brake lever, and the other with the brake mechanism, whereby the relative horizontal movement of the frame and axle will not affect the brake control.

9. In a brake control, the combination with a frame, axle and brake mechanism, of segment levers pivotally supported by the frame and axle and flexibly connected together whereby horizontal axle movement wraps the flexible connection on one segment as it unwraps from the4 other without moving the segments on their pivots.

10. The combination of a fra-me, axle, brake mechanism and control, two levers, each having a segment,.flexible means connecting said segments, one of said segments pivotally supported by the frame and one by the axle so that horizontal movement'. between frame and axle will wrap said means upon one segment as it is wrapped of the other segment without moving either segment on its pivot.

11. The combination withV a frame, axle, and brake mechanism, of means to' control said brake mechanism including two segments pivotally mounted and connected by flexible means, so that horizontal axle movement causes said flexible Lmeans to wrap on one segment as it wraps o the other, and without pivotal movement of either segment on its pivot. v

12. An axle, a brake leveren the axle, a frame, a link pivoted on the frame and to an axle member, two segment bell cranks pivoted respectively on the frame'and the axle member, an operating lever mounted on the frame, and means connecting the operating lever and the brake lever through the bell cran-ks.

13. In a brake control two -pivoted segments, and a flexible connection extending from one to the other so that the movement of one about the other 4nnwraps said connection from one as. it wraps upon the other, without pivotal` movement of either lsegment on its pivot. I

14. In a brake control, two pivoted seg ments connected b a flexible connection so that movement o one. segment about the other unwraps the said connection from one l as 1t wraps upon the other, without moving vers one carried by the frame and the other by tne axle, a link pivotailyconnected to the frame and to the axle means connecting one lever to the brake and the otherlevcr to the brake ioperating means, and means connecting the two levers whereby the operatin force may be transmitted, but horizonta movement of the axle and frame will'not move the lever on their pivts.

16. In a brake control, the combination of a frame, an axle movable vertically and horizontally with Vrespect to the ira'me, brake mechanism and brake control connected with axle and frame respectively, and means connected together and connected 'to each, one supported by the Irameand the brake control, and two connected meansl other by the axle. pivotally supported by the frame and by 17. In a brake control, the combination the axle, one of said means connected with 10 of a -frame, an axle, a spring secured to the the brake mechanism and the other with the 5 axle and having a linked connection with control.

the frame, whereby the axle is capable of In testimony whereof I aix my signature. horizontal movement, brake mechanism and ROLLAND S. TROTT. 

